Pergunta de entrevista da empresa OneAssist Consumer Solutions

Remove duplicate from contact list.

Respostas da entrevista

Sigiloso

15 de jul. de 2017

We can use a HashMap for it where name will be the key and phone number will be the value. If second time any name appears then its key will be already present in the map and it will be deleted.

Sigiloso

17 de jan. de 2018

Name can be same. A contact will be duplicated only if phone number is same. Need to use number as key.

Sigiloso

10 de abr. de 2018

Instead of map you can use set